期刊
PHYSICAL REVIEW LETTERS
卷 111, 期 17, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.176401
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资金
- FP7 IRSES Project POLATER
- FP7 IRSES Project POLAPHEN
- Eimskip Fund
- Russian Ministry of Science and Education
- Tier 1 Project Novel Polaritonic Devices''
- Engineering and Physical Sciences Research Council [EP/K007173/1] Funding Source: researchfish
- EPSRC [EP/K007173/1] Funding Source: UKRI
Dipolaritons are mixed light-matter quasiparticles formed in double quantum wells embedded in microcavities. Because of resonant coupling between direct and indirect excitons via electronic tunneling, dipolaritons possess large dipole moments. Resonant excitation of the cavity mode by a short pulse of light induces oscillations of the indirect exciton density with a characteristic frequency of Rabi flopping. This results in oscillations of a classical Hertz dipole array which generate supperradiant emission on a terahertz (THz) frequency. The resulting THz signal may be enhanced using the supplementary THz cavity in the weak coupling regime.
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